Peace keeping for the United Nations is, at best of times and arduous task.
Options:
A . laborious
B . inconvenient
C . difficult
D . delicate
Answer: Option C Laborious : requiring considerable time and effort. Inconvenient : causing trouble, difficulties, or discomfort. Difficult : needing much effort or skill to accomplish, deal with, or understand. Delicate : very fine in texture or structure; of intricate workmanship or quality. Arduous : involving or requiring strenuous effort; difficult and tiring. Synonym of Arduous is Difficult
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